Contents
Introduction
.................................................................................................................. 9
Terminology.........................................................................................................11
System Bus and GTLREF ...................................................................................15
Power and Ground Pins ......................................................................................15
Decoupling Guidelines ........................................................................................16
Voltage Identification ...........................................................................................16
Reserved, Unused Pins, and TESTHI[12:0]........................................................20
System Bus Signal Groups .................................................................................21
Asynchronous GTL+ Signals...............................................................................22
Test Access Port (TAP) Connection....................................................................22
Maximum Ratings................................................................................................23
Processor DC Specifications...............................................................................23
AGTL+ System Bus Specifications .....................................................................35
Signal Descriptions..............................................................................................58
Processor Thermal Specifications.......................................................................68
Power-On Configuration Options ........................................................................71
Clock Control and Low Power States..................................................................71
Electrical Specifications
........................................................................................15
.................................................................37
.....................................................................45
Thermal Specifications and Design Considerations
.................................67
Features
.......................................................................................................................71
Intel
®
Pentium
®
4 Processor on 0.13 Micron Process Datasheet
3